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Evaluating Evidence In Science
Test Description: FCAT Practice
Instructions: Answer all questions to get your test result.
1) Scientific knowledge is open to change as new evidence or information is encountered. Which of the following would be a result of new scientific evidence or information?
A
A science experiment tests the temperature at which alcohol boils.
B
A new planet is named after the mathematician who calculated its location.
C
The acceleration due to gravity is used to calculate the force of gravity on a falling object.
D
Elephants are spotted in Africa on the savanna.
2) Roderick wants to go to medical school because he is fascinated with the brain and how it works. In his studies, he reads scientific explanations about the brain and its functions. They have changed over time. Why would the science have changed?
A
Personal opinions changed.
B
The models of the brain changed.
C
New evidence was provided.
D
The brain is very different from how it really was before.
3) Karise is researching the scientist Madame Curie. She learns that Madame Curie discovered radium, a radioactive element. What evidence is there that science changed as a result of this discovery?
A
Madame Curie studied mathematics and physics in Paris
B
The elements radium and polonium were added to the Periodic Table of Elements.
C
Exposure to radiation caused Madame Curie health problems.
D
Madam Curie won the Nobel Prize in Physics in 1903.
4) Scientists had voted to change the definition of planet. The headlines read “Pluto Is Not a Planet.” What was the article most likely about?
A
Pluto no longer met the criteria for planet.
B
Space exploration revealed that Pluto was smaller than Earth.
C
Scientists needed more dwarf planets for the solar system model.
D
Pluto decreased in size.
5) The first periodic table of the elements was organized based on atomic weight. But the modern table is organized based on atomic number. How did scientists use logical reasoning to reorganize the periodic table?
A
Scientists discovered that the masses of the elements kept changing, but the atomic numbers did not.
B
The new order made it easier to name chemicals and write chemical formulas.
C
Scientists thought the table looked better with the elements in this order.
D
New information was learned about the properties of the elements.
6) The discovery of new empirical evidence can lead to changes in scientific knowledge. Which of the following is an example of scientific knowledge changing as a result of empirical evidence?
A
A plant produces a new color of flower after being placed in a different type of soil.
B
A bird species develops a new shape of beak after a flower undergoes a genetic mutation
C
A plant grows more vigorously after being given a new brand of fertilizer.
D
A fungus is reclassified to a different genus after a new research article is published.
7) Carol heard about the scientists that were able to analyze the genetics of a Tyrannposaurus rex from the DNA in a preserved leg bone. DNA contains the biological instructions that make the species unique. Which of the following is a resulting change
A
Some dinosaurs walked on two feet while others walked on four feet.
B
Dinosaurs slept during the day and hunted at night.
C
Dinosaurs had genetic commonalities with modern chickens
D
Dinosaurs ate meat and berries.
8) Nathan is writing a paper explaining why scientific knowledge changes. Which of the following would provide evidence for a change in scientific knowledge?
A
Pavlov’s dogs salivated when they heard a bell.
B
Volcanoes can be dormant or active.
C
Some people do not believe that global warming is true.
D
Einstein expanded Newton’s Laws of Motion to apply to more situations.
9) After much debate, what is needed for science knowledge to become a theory?
A
confirmation within the science community
B
theoreticl evidence
C
a Nobel prize
D
publication
10) Which does NOT result in scientific knowledge?
A
more assumptions by scientists
B
empirical evidence
C
communication and debates within the scientific community
D
confirmation through more experiments through repetition and replication
*select an answer for all questions
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